Merge branch 'use-ovm-copy-constructor' into 'master'

Use new ovm copy constructor instead of copying the pointer

See merge request !8

ObjectTypes/VolumeMeshObject/VolumeMeshObjectT.cc

@@ -72,7 +72,7 @@
 
 template<class MeshT>
 VolumeMeshObject<MeshT>::VolumeMeshObject(const VolumeMeshObject& _object) :
-    BaseObjectData(_object), mesh_(_object.mesh_.get()),
+    BaseObjectData(_object), mesh_(std::make_shared<MeshT>(*_object.mesh_.get())),
     statusAttrib_(*mesh_),
     colorAttrib_(*mesh_),
     normalAttrib_(*mesh_),